ER-807901

(S)-5-{(2R,6R)-6-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-3,6-dihydro-2H-pyran-2-yl}-4-methyl-pentanal

(S)-5-{(2R,6R)-6-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-3,6-dihydro-2H-pyran-2-yl}-4-methyl-2-methylene-pentanal

11-hydroxy-7-[1-methoxy-3-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-allyl]-15-methyl-13-methylene-6,21-dioxa-bicyclo[15.3.1]henicosa-9,19-dien-5-one

(3Z,9E)-(1R,7S,15S,17R)-7-[(E)-(S)-1-(tert-Butyl-dimethyl-silanyloxy)-3-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-allyl]-15-methyl-13-methylene-6,21-dioxa-bicyclo[15.3.1]henicosa-3,9,19-triene-5,11-dione